Coverage Suite home insurance

Home Insurance Coverage Calculator

Allocate policy limits across dwelling replacement, other structures, personal property, loss of use, and liability.

Fundamental Rule: Market Value ≠ Replacement Cost

Home insurance covers the physical labor and materials to rebuild your structure after a total loss. It never covers the land value, local school district premiums, or speculative real estate price surges. A home with an $800,000 real estate market value might only cost $400,000 to physically reconstruct.

Coverage A: Dwelling

The structural core. Pays to reconstruct walls, roof, plumbing, and electrical systems.

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Coverage C: Belongings

Your personal property: furniture, clothing, tech, and appliances (typically 50%–70% of Dwelling).

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Coverage E: Liability

Defends personal assets if guests suffer bodily injury on your property or you face civil lawsuits.

Educational Notice: This interactive calculator models standard actuarial coverage ratios across primary homeowners insurance sections. Results are educational estimates only and must never be presented as formal underwriting appraisals or replacement cost guarantees. Actual policy limits and valuations depend on your insurer and local building costs.
Step 1 of 3

Home Dimensions & Construction Standard

Living area square footage and construction quality establish your baseline Coverage A (Dwelling) replacement figure.

2,200 sq ft
Interior heated/finished living space (excluding unfinished basements or open attics).
Construction standards dictate local labor and materials costs per square foot.
Step 2 of 3

Detached Structures & Environmental Location

Detached structures determine Coverage B needs, while location risk highlights mandatory regional endorsements.

Standard policies provide 10% of Coverage A for other structures; detached additions may require raising Coverage B.
Step 3 of 3

Personal Belongings & Family Liability

Set your personal contents coverage mode and evaluate family liability limits to guard against lawsuits.

$210,000 (60% of Dwelling)
Replacement cost of all furniture, clothing, kitchenware, electronics, and tools.
Educational Coverage Overview

Homeowners Policy Coverage Allocation Model

Replacement Cost Model
Core Physical Structure

Coverage A: Dwelling

$352,000
Estimated Rebuild Cost (Excludes Land)
Square Footage: 2,200 sq ft
Estimated Rebuild Cost/Sq Ft: $160 / sq ft
Covers foundation, framing, roofing, mechanical, and built-in cabinetry.
Detached Structures

Coverage B: Other Structures

$35,200
Baseline (10% of Dwelling + Additions)
Detached Garage / ADU Additions: $0
Total Coverage B Need: $35,200
Covers detached garages, fences, sheds, gazebos, and in-ground swimming pools.
Personal Belongings

Coverage C: Belongings

$211,200
~60% of Dwelling Replacement Value
Valuation Basis: Replacement Cost Endorsement
Special Sub-Limits: Jewelry ($1.5k cap)
Covers furniture, clothing, tech, and appliances worldwide against covered perils.
Living Expenses

Coverage D: Loss of Use

$70,400
Additional Living Expenses (20% of Dwelling)
Estimated Monthly Rent Buffer: ~$3,500 / mo (20 mos)
Pays for rental home, hotel stays, storage, and restaurant meals while your home is rebuilt.
Legal Defense Layer

Coverage E: Personal Liability ($300,000–$500,000) • Coverage F: Medical ($5,000)

Personal liability protects your savings, retirement assets, and future wages if a guest is injured on your property or your dog bites a neighbor. Legal defense costs are paid outside policy limits.

With a standard single-family home, carrying at least $300,000 to $500,000 in Coverage E liability is actuarially advised. The cost difference between $100,000 and $300,000 is typically less than $15 to $25 per year.

What This Means

This estimate suggests how standard homeowners policy structures distribute coverage relative to your primary dwelling replacement cost:

  • Coverage A is the Anchor: Coverages B, C, and D are mathematically pegged as percentage formulas of Coverage A. Setting an accurate dwelling replacement cost ensures your contents and living expense coverage are also adequately funded.
  • The 80% Coinsurance Clause: Most insurers mandate insuring at least 80% (ideally 100%) of your home's true replacement cost. Insuring for less triggers a proportional penalty on partial damage claims.
  • Exclusions Require Endorsements: Flood, earthquake, ground movement, and sewer/sump pump backups are completely excluded from standard HO-3 and HO-5 policies unless you add specific riders.

Actual policy limits and valuation methods depend on your insurer and underwriting inspection.

How We Calculated It

1
Coverage A (Dwelling Replacement): 2,200 sq ft × $160/sq ft (Standard Construction) = $352,000.
2
Coverage B (Other Structures): 10% of Coverage A ($35,200) + Detached Structure Additions.
3
Coverage C (Personal Property): 60% of Coverage A ($211,200).
4
Coverage D (Loss of Use / ALE): 20% of Coverage A ($70,400) dedicated to temporary living expenses.

Important Assumptions

Land Value Exclusion

Real estate land value is 100% excluded. If an earthquake or total fire occurs, the plot of land remains.

Debris Removal & Demo

Standard policies include 5% to 10% additional coverage for clearing debris and demolished foundation walls before rebuilding.

Replacement Cost Contents

Assumes a Replacement Cost endorsement on personal belongings rather than depreciated Actual Cash Value (ACV).

Standard HO-3 Contract

Models standard Insurance Services Office (ISO) HO-3 special form coverage allocations.

Things You May Want to Review

1
Ordinance or Law Endorsement:

Verify whether your policy covers mandatory updates to comply with modern building, electrical, and plumbing codes during reconstruction.

2
Water Backup & Sump Overflow:

Municipal sewer backups and failed basement sump pumps are universally excluded unless you buy an inexpensive endorsement ($35–$60/yr).

3
Extended Replacement Cost Buffer:

Check if your policy includes a 25% or 50% extended dwelling cushion to absorb labor and lumber inflation surges after major regional disasters.

4
Valuable Items Floaters:

If you own engagement rings, fine watches, or art, schedule them individually to bypass the statutory $1,500 theft sub-limit.

Related Insurance Concepts

Replacement Cost → Actual Cash Value (ACV) → 80% Coinsurance Clause → Policy Exclusions → Hurricane & Wind Deductible →

Related Guides & Recommended Next Tools

Interactive Tool
Home Replacement-Cost Estimator

Calculate specific local rebuilding price ranges based on regional labor and materials.
Interactive Tool
Renters Belongings Calculator

Inventory personal belongings room by room to evaluate Coverage C limits.
Editorial Guide
Homeowners Insurance Fundamentals

Understand open perils, water exclusions, and liability defenses.
Self Audit
8-Point Policy Health Check

Audit your current policy declarations page for coverage shortfalls.

Actuarial Formula & Assumptions

Separates Dwelling, Other Structures (10%), Personal Property (60%), Loss of Use (20%), and Personal Liability ($300k-$500k).

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Search Intent & FAQ

Frequently Asked Questions: Home Insurance Coverage Calculator

Expert mathematical answers, formula explanations, and related comparison guides.

How is home replacement cost different from real estate market value?
Real estate market value includes the land price and local neighborhood market speculation. Homeowners insurance only covers dwelling replacement cost—the actual materials and labor required to rebuild the physical structure. Read our guide on Homeowners Insurance Fundamentals.
Are floods, earthquakes, and sewer backups covered under home insurance?
No. Standard HO-3 and HO-5 homeowners policies specifically exclude flood, earth movement, and sump pump overflow unless you purchase specialized endorsements or separate NFIP policies. Audit your vulnerabilities using our 8-Point Policy Health Check and read What is an Insurance Exclusion?.
What is the 80% Coinsurance Clause in homeowners insurance?
If you insure your dwelling for less than 80% of its full replacement cost at the time of a loss, the insurer will apply a proportional coinsurance penalty to partial claims. Learn more in our Coinsurance Explanation.
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